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How can I get someone to input a function in a GUI and then work with that function?
Use |str2func| to take their string and turn it into an anonymous function. doc str2func

13 years ago | 0

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Error with using createMask
That worked fine for me. What line is the error on? More than likely you have some function shadowing one of the builtins....

13 years ago | 0

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cell counting Matlab code?
CC = bwconncomp(BWImage) CC.NumObjects Where BWImage is the black and white image with each cell white.

13 years ago | 0

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Recolor an image tile-wise with average colors of these certain tiles
Use |blockproc| to handle the block processing doc blockproc Then write a function which does the average ignoring zeros...

13 years ago | 0

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Answered
find the maximum of a function when wariables, when matrixes are also involed function.
I would recommend using |fminsearch()| or |patternsearch()|. doc fminsearch doc patternsearch %Global Optimization Toolbox...

13 years ago | 0

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Group Identical Values in Matrix While Maintaining Original Indicies
Hi Nathan, Here is the general workflow you will want to use: * Use |datenum()| to convert the dates to serial date number...

13 years ago | 0

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how to set Matlab path on windows 7 (with multiple user accounts)?
Hi Tim, This is the purpose of |userpath()|. doc userpath Using the user path allows each user to have their own path...

13 years ago | 0

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Access data using genvarname
How about just using dynamic fieldnames? a.someString = pi fn = fieldnames(a); a.(fn{1}) What are you trying to do? ...

13 years ago | 0

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does 2011a support arduino mega 2560 package?
It's certainly not as straightforward as it is now. If your company/university has SMS you can upgrade to a R2013a which has ...

13 years ago | 0

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How to hide the units label on an axis
How are you generating the figure? Would the following take care of it? ylabel('Phase') *More* per clarification. Th...

13 years ago | 1

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Answered
Determine the intersection Point of the two Diagonals in a quadrilateral
Don't try and reinvent the wheel: <http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%E2%9C%93&term=line+interse...

13 years ago | 1

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about mouse button click
I did that in my <http://www.mathworks.com/matlabcentral/fileexchange/30214-imcensor/content/imcensor.m |imcensor()|> function. ...

13 years ago | 0

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Answered
Point contained in the convex hull of a quadrilateral?
<http://www.mathworks.com/matlabcentral/fileexchange/10226-inhull FEX:John's:INHULL>

13 years ago | 1

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Save jpg Files Under Plot Title Name
doc saveas %or print doc get doc sprintf Gte the string from the title of the axes: For example: figure;axes;pl...

13 years ago | 1

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Answered
how to get plus and minus sign element of matrix at the same time?
[xx yy zz] = meshgrid(-1:1); [xx(:) yy(:) zz(:)] ?

13 years ago | 0

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Breakpoints in Run Section
Nope. When you "Run Section" what's essentially happening is: eval(Section_Contents) Thus there is no way to have bre...

13 years ago | 3

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Read only some lines of a .txt file
Use |textscan|. Throw away the lines you don't care about.

13 years ago | 0

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Is there a way to make a font size change persist between opening/closing the doc window in 2013a?
On my system Win7x64 running 13a, the contents tab zooms along with the regular window. As for maintaining persistency across o...

13 years ago | 0

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Answered
tic toc command in MATLAB GUI
t = tic; set(uicontrol('style','text'),'String',toc(t)); Use |set| to set the _'String'_ property of the textbox you care ...

13 years ago | 0

13 years ago | 0

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M file search another
Sounds like you need turn your scripts into functions. Here is some documentation on writing functions. <http://www.mathwork...

13 years ago | 1

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how to enlarge the font size in matlab R2013a help
*ctrl + +*

13 years ago | 0

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Importing a foler of CSV files into matlab
If they all have that naming scheme how about using a for loop: for ii = 1:10 fn = strcat('E:\group',num2str(ii,'%02i'...

13 years ago | 0

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How to make a program to check if a number is a prime?
doc isprime

13 years ago | 0

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How to a partition a data set of days into weekdays and weekends
Sounds like you want the function |weekday()| doc weekday <http://www.mathworks.com/help/releases/R2013a/matlab/ref/week...

13 years ago | 0

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Create an anonymous function after Symbolic differentiation
Almost there! gfun = matlabFunction(g) g(2)

13 years ago | 0

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How to calculate the Euclidean distance between two fingerprint images?
doc bwdist doc hypot

13 years ago | 0

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Summation with (Dependent summation)
This line will slow it down a lot: YY1 = [YY1 Y1]; It resizes YY! on each iteration. Instead, rpeallocate YY1 and then ...

13 years ago | 1

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Optimizing a distance calculation for elements within a matrix
Have you considered using the distance transform in the Image Processing Toolbox? doc bwdist This is highly optimized an...

13 years ago | 0

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Average every n*n elements in a two dimensional matrix
If you have the Image Processing Toolbox, you can use |blockproc| blockproc(magic(100),[10 10],@(bs)sum(bs.data(:))) And...

13 years ago | 0

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